Harikrishnan K

Senior Software Engineer with 5.5+ years of experience in IBM Mainframe technologies (COBOL, JCL, DB2, CICS), specializing in production support, system optimization, and legacy modernization within financial services. Proven track record as a Nearshore Coordinator for Brown Brothers Harriman (BBH), improving production stability and reducing incident resolution time. Passionate about mainframe modernization and actively exploring AI integration through personal projects.

Senior Software Engineer (Mainframe Developer) at Hexaware Technologies (2020-11 – Present)

Domain: Banking and Financial Services (BBH Client). Led end-to-end development of IBM Mainframe applications, coordinated nearshore operations, and delivered multiple enhancements and optimizations.

• Led end-to-end development (analysis, design, coding, testing) of IBM Mainframe applications, improving batch efficiency by 30%
• Coordinated nearshore operations for the Security Master File (SMF) system, reducing issue resolution time by 25%
• Monitored 500+ daily batch jobs, resolving 95% of failures within SLA
• Developed and enhanced CICS-COBOL-DB2 applications, improving transaction accuracy by 15%
• Optimized DB2 stored procedures, reducing query execution time by 40%
• Enhanced UAF modules improving settlement accuracy and reducing operational errors
• Contributed to a Mainframe Modernization POC by transforming legacy CICS workflows into web-based interfaces
• Requirement analysis, impact assessment, and development of COBOL-DB2-CICS programs
• Preparation and review of technical design documents and test plans
• Handling development and production support (batch failures and incident resolution)
• Conducting peer code reviews and mentoring junior developers
• Collaborating with offshore, nearshore, and client teams to ensure delivery excellence

MBA in Business Analytics – Amrita Vishwa Vidyapeetham (2026)

B.Sc. in Information Technology – NGM College, Pollachi, India (2017 – 2020)